CN104402541B - A kind of technique of house refuse fast activating fertilizer - Google Patents
A kind of technique of house refuse fast activating fertilizer Download PDFInfo
- Publication number
- CN104402541B CN104402541B CN201410682938.6A CN201410682938A CN104402541B CN 104402541 B CN104402541 B CN 104402541B CN 201410682938 A CN201410682938 A CN 201410682938A CN 104402541 B CN104402541 B CN 104402541B
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- Prior art keywords
- biogas
- tank
- house refuse
- jing
- anaerobic
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Classifications
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F9/00—Fertilisers from household or town refuse
- C05F9/04—Biological compost
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Abstract
The invention provides a kind of technique of house refuse fast activating fertilizer; Jing is broken, beater, allotment sand removing tank, average regulating reservoir, heater, anaerobic reactor, comminutor production fertilizer; the present invention has its occupation of land little; it is pollution-free; process fast, can particularly meet under current condition to organic matter rubbish disposition.
Description
Technical field
The present invention relates to technical field of waste treatment, and in particular to for the method that the Organic substance in house refuse is processed,
More specifically it is a kind of technique of house refuse fast activating fertilizer.
Background technology
The constituent of domestic waste is considerably complicated.Urban industry development degree, the living habit of resident and life
The conversion in the different and season of level, it is all closely related with the constituent of house refuse and physicochemical property.Urban life rubbish
Rubbish character and feature are affected by factors such as resident living, energy resource structure, seasonal variations etc. so that waste component have complexity,
Polytropy and regional differences.With economic development and the raising of living standards of the people, municipal refuse composition also there occurs very big
Change, such as in 87 years rubbish, 60～70% is cinder, and 30～40% is the articles for daily uses such as Organic substance, waste product；To October calendar year 2001
In rubbish, cinder composition is less than 30%, and Organic substance and waste product account for more than 60%, and in rubbish in 2003, cinder accounts for 20%, Organic substance and useless
Product are up to 59.8%.It can be seen that rubbish composition is present based on Organic substance by changing into based on former cinder, cinder is reduced in a large number,
Waste content has risen；This is just badly in need of changing refuse treatment plant, to meet the composition contained in present rubbish, thoroughly decomposes
Demand.
The content of the invention
The invention aims to overcome the deficiencies in the prior art, and a kind of house refuse fast activating is provided and is formed with machine
The technique of fertilizer, it is pollution-free, process fast, high yield rate can particularly meet the garbage disposal situation under current condition.
In order to realize object above, the present invention is adopted the following technical scheme that：
A kind of technique of house refuse fast activating fertilizer, it is characterised in that：Realize in accordance with the following steps,
After step one, domestic garbage integrated separating, organic waste is crushed first, subsequently into allotment sand removing tank sorting
The debris in house refuse are removed, Jing slurry tank being separated into and further crush pulp and be further separated out therein except sending after debris
Send after impurity homogenizing regulating reservoir with it is quenched after municipal sludge mixing preparation to solid content 10%, and realize heat in advance.Deployed
Material is dosed into anaerobic digestion reaction vessel in a balanced way by screw pump；
The sand setting produced in step 2, anaerobic reactor running is entered after sending sand setting cache pool temporary by sediment outflow pipe
Biogas residue and biogas liquid temporary storage tank, the product after material anaerobic fermentation have Digestive system and biogas, and Digestive system enters into biogas slurry and biogas residue temporary storage tank
The fertile pelletize mechanism fertilizer of system is sent to use after row is temporary；
The biogas that step 3, anaerobic reactor are produced send dry type low gas storage holder storage Jing after desulfurization pretreatment, used as source of the gas.
A kind of technique of house refuse fast activating fertilizer, it is characterised in that：Step realization is preferably as follows,
1. pulp is crushed
Sorted pretreated house refuse by disintegrating machine, is crushed to below particle diameter 25mm first, the thing after crushing
Sorting after material is delivered to allotment sand removing tank dilution removes the impurity such as debris, and allotment desanding tank volume presses 7m3Design, after allotment slagging-off
Material send separation pulp tank be crushed to below particle diameter 8mm, the inorganic impurity being further separated out in material, after remove impurity pulp
Serosity send homogenizing regulating reservoir and sludge mixing preparation, separates pulp tank and arranges two, is used alternatingly；
2. homogenizing is adjusted
Sludge is diluted regulation in equal regulating reservoir to solid content 10%；The rubbish Jing after sludge and remove impurity after quenched
After sufficiently stirring and heating in advance process, anaerobic fermentation reactor is pumped to；Homogenizing regulating reservoir total residence time is pressed two days
Design, is divided into two, single seat residence time of material 1 day, single seat dischargeable capacity about 500m3。
3. anaerobic fermentation
Thing mixture doses 520t/d of anaerobic reactor, solid content 10%, organic matter are entered after regulating reservoir pretreatment
Account for the 60% of butt.With 6 anaerobic fermentation reactors, total measurement (volume) 17700m3；Organic matter dosage be 31.4t/d, degradation rate
55%, produce methane quantity daily（Methane content is 60%）About 13800m3；
4. sediment outflow
The sand setting that anaerobic reactor is produced enters sand setting cache pool by the sediment outflow bank of tubes that bottom is arranged and keeps in, and mortar is by row
Sand pump delivers to biogas residue and biogas liquid temporary storage tank；
Sand setting cache pool technological parameter is as follows
（1）Version：Armored concrete (underground type)
（2）Specification：Φ5m×3m
（3）Quantity：1
（4）Volume：About 59m3
5. biogas residue and biogas liquid is kept in
Digestive system timing after anaerobic reaction send biogas residue and biogas liquid temporary storage tank to store after discharging reactor；
Material produces Digestive system about 502t daily Jing after anaerobism（Solid content 6.9%）, after biogas residue and biogas liquid buffer tank is temporary, send system
Fertile comminutor, Digestive system design time of staying 24h, biogas residue and biogas liquid tank adopt steel structural tank body.
Technological parameter is as follows
（1）Specification：Φ10.5m×7m
（2）Version：Steel structural tank body
（3）Quantity：1
（4）Volume：520 m3
6. biogas pretreatment and storage
Due to the hydrogen sulfide content in biogas it is higher（1500-3000ppm）, using complex iron double-column in series desulfurization skill
Art；Biogas one-level packed absorber respectively from tandem, the bottom of two grades of packed absorbers enter, de- with top-down
Sulfur liquid counter current contacting in two sections of packing areas, hydrogen sulfide are desulfurized liquid and are absorbed, and the biogas after desulfurization is Jing after demister by outlet
Pipe supplies pretreatment unit.
Doctor solution is the alkali liquor containing complexation iron catalyst, and the doctor solution for absorbing hydrogen sulfide enters from packed absorber underflow
Rich solution tank, then Jing rich solution pumps pressurization squeeze in regenerator, be sufficiently mixed into the air of ejector with self-priming, it is reacted after enter
Regenerator, the further oxidation regeneration in regenerator, the lean solution after regeneration enters lean liquid bath from the overflow of regenerator top, by lean solution
Absorption tower cyclic absorption is sent in pump boosting.Rich solution pump totally 2, the using and the reserved；Lean pump totally 2, respectively to first grade desulfurizing tower and
Two-grade desulfurizing tower conveys doctor solution；
In annular column at the top of the elementary sulfur suspension separated out in regenerator and regenerator, and overflow enters foam tank, in sulfur
Foam tank, sulfur-bearing foam Jing centrifuges are filtered, and isolate elemental sulfur, and the clear liquid after filtration returns lean liquid bath circulation by reflux pump
Use.
As requirement of the biogas burner to biogas admission pressure reaches 10～35kPa, desulfurizing tower pressure drop there are about 3kPa, mistake
Filter, spark arrester and line loss there are about 8～10kPa, so, it should biogas is pressurized using roots blower, to reach
Requirement of the burner to gas pressure；2 roots blowers can be adopted, 1 is standby with 1.
Using dry type low pressure gas storage holder, technological parameter is as follows
（1）Size：Φ13.5m×13.8m
（2）Quantity：1
（3）Effective gas storage volume：1500 m3
（4）Work ambient temperature：- 40 DEG C～70 DEG C
（5）Operating pressure：≤5mbar
7th, biogas combustion system
High temperature burning handling excessive gas when torch can be out of service for some reason in unit or supplies superfluous, make harmful substance
It is able to harmless treatment.In case of emergency, torch can be responsible for processing all of biogas combustion in whole system, meet all
The disposal of gas yield needs, to avoid causing security incident because of biogas leakage.
The present invention has its occupations of land little, pollution-free, processes soon, can particularly meet under current condition to organic matter rubbish
Reason situation.
Description of the drawings
Fig. 1 is the process chart of the present invention.
Specific embodiment
The present invention is further elaborated for explanation below in conjunction with the accompanying drawings.
Fig. 1 is the optimal way of the present invention, which show a kind of technique of house refuse fast activating fertilizer, and which is special
Levy and be：Realize in accordance with the following steps,
After step one, domestic garbage integrated separating, organic waste is crushed first, subsequently into allotment sand removing tank sorting
The debris in house refuse are removed, Jing slurry tank being separated into and further crush pulp and be further separated out therein except sending after debris
Send after impurity homogenizing regulating reservoir with it is quenched after municipal sludge mixing preparation to solid content 10%, and realize heat in advance.Deployed
Material is dosed into anaerobic digestion reaction vessel in a balanced way by screw pump；
The sand setting produced in step 2, anaerobic reactor running is entered after sending sand setting cache pool temporary by sediment outflow pipe
Biogas residue and biogas liquid temporary storage tank, the product after material anaerobic fermentation have Digestive system and biogas, and Digestive system enters into biogas slurry and biogas residue temporary storage tank
The fertile pelletize mechanism fertilizer of system is sent to use after row is temporary；
The biogas that step 3, anaerobic reactor are produced send dry type low gas storage holder storage Jing after desulfurization pretreatment, used as source of the gas.
A kind of technique of house refuse fast activating fertilizer, it is characterised in that：Step realization is preferably as follows,
1. pulp is crushed
Sorted pretreated house refuse by disintegrating machine, is crushed to below particle diameter 25mm first, the thing after crushing
Sorting after material is delivered to allotment sand removing tank dilution removes the impurity such as debris, and allotment desanding tank volume presses 7m3Design, after allotment slagging-off
Material send separation pulp tank be crushed to below particle diameter 8mm, the inorganic impurity being further separated out in material, after remove impurity pulp
Serosity send homogenizing regulating reservoir and sludge mixing preparation, separates pulp tank and arranges two, is used alternatingly；
2. homogenizing is adjusted
Sludge is diluted regulation in equal regulating reservoir to solid content 10%；The rubbish Jing after sludge and remove impurity after quenched
After sufficiently stirring and heating in advance process, anaerobic fermentation reactor is pumped to；Homogenizing regulating reservoir total residence time is pressed two days
Design, is divided into two, single seat residence time of material 1 day, single seat dischargeable capacity about 500m3。
3. anaerobic fermentation
Thing mixture doses 520t/d of anaerobic reactor, solid content 10%, organic matter are entered after regulating reservoir pretreatment
The 60% of butt is accounted for, with 6 anaerobic fermentation reactors, total measurement (volume) 17700m3；Organic matter dosage be 31.4t/d, degradation rate
55%, produce methane quantity daily（Methane content is 60%）About 13800m3；
4. sediment outflow
The sand setting that anaerobic reactor is produced enters sand setting cache pool by the sediment outflow bank of tubes that bottom is arranged and keeps in, and mortar is by row
Sand pump delivers to biogas residue and biogas liquid temporary storage tank；
Sand setting cache pool technological parameter is as follows
（1）Version：Armored concrete (underground type)
（2）Specification：Φ5m×3m
（3）Quantity：1
（4）Volume：About 59m3
5. biogas residue and biogas liquid is kept in
Digestive system timing after anaerobic reaction send biogas residue and biogas liquid temporary storage tank to store after discharging reactor；
Material produces Digestive system about 502t daily Jing after anaerobism（Solid content 6.9%）, after biogas residue and biogas liquid buffer tank is temporary, send system
Fertile comminutor, Digestive system design time of staying 24h, biogas residue and biogas liquid tank adopt steel structural tank body.
Technological parameter is as follows
（1）Specification：Φ10.5m×7m
（2）Version：Steel structural tank body
（3）Quantity：1
（4）Volume：520 m3
6. biogas pretreatment and storage
Due to the hydrogen sulfide content in biogas it is higher（1500-3000ppm）, using complex iron double-column in series desulfurization skill
Art；Biogas one-level packed absorber respectively from tandem, the bottom of two grades of packed absorbers enter, de- with top-down
Sulfur liquid counter current contacting in two sections of packing areas, hydrogen sulfide are desulfurized liquid and are absorbed, and the biogas after desulfurization is Jing after demister by outlet
Pipe supplies pretreatment unit.
Doctor solution is the alkali liquor containing complexation iron catalyst, and the doctor solution for absorbing hydrogen sulfide enters from packed absorber underflow
Rich solution tank, then Jing rich solution pumps pressurization squeeze in regenerator, be sufficiently mixed into the air of ejector with self-priming, it is reacted after enter
Regenerator, the further oxidation regeneration in regenerator, the lean solution after regeneration enters lean liquid bath from the overflow of regenerator top, by lean solution
Absorption tower cyclic absorption is sent in pump boosting.Rich solution pump totally 2, the using and the reserved；Lean pump totally 2, respectively to first grade desulfurizing tower and
Two-grade desulfurizing tower conveys doctor solution；
In annular column at the top of the elementary sulfur suspension separated out in regenerator and regenerator, and overflow enters foam tank, in sulfur
Foam tank, sulfur-bearing foam Jing centrifuges are filtered, and isolate elemental sulfur, and the clear liquid after filtration returns lean liquid bath circulation by reflux pump
Use.
As requirement of the biogas burner to biogas admission pressure reaches 10～35kPa, desulfurizing tower pressure drop there are about 3kPa, mistake
Filter, spark arrester and line loss there are about 8～10kPa, so, it should biogas is pressurized using roots blower, to reach
Requirement of the burner to gas pressure；2 roots blowers can be adopted, 1 is standby with 1.
Using dry type low pressure gas storage holder, technological parameter is as follows
（1）Size：Φ13.5m×13.8m
（2）Quantity：1
（3）Effective gas storage volume：1500 m3
（4）Work ambient temperature：- 40 DEG C～70 DEG C
（5）Operating pressure：≤5mbar
7th, biogas combustion system
High temperature burning handling excessive gas when torch can be out of service for some reason in unit or supplies superfluous, make harmful substance
It is able to harmless treatment.In case of emergency, torch can be responsible for processing all of biogas combustion in whole system, meet all
The disposal of gas yield needs, to avoid causing security incident because of biogas leakage.
Claims (3)
1. a kind of technique of house refuse fast activating fertilizer, it is characterised in that：Realize in accordance with the following steps,
After step one, domestic garbage integrated separating, organic waste is crushed first, is removed subsequently into allotment sand removing tank sorting
Debris in house refuse, Jing being separated into slurry tank and further crush pulp and be further separated out impurity therein except sending after debris
Send afterwards homogenizing regulating reservoir with it is quenched after municipal sludge mix, it is described it is quenched after municipal sludge be municipal sludge to be allocated to containing
Gu rate 10%, and realize heating in advance；Deployed material is dosed into anaerobic digestion reaction vessel in a balanced way by screw pump；
After the sand setting produced in step 2, anaerobic reactor running send sand setting cache pool temporary by sediment outflow pipe, mortar row
Enter biogas residue and biogas liquid temporary storage tank, the product after material anaerobic fermentation has Digestive system and biogas, and Digestive system enters biogas slurry and biogas residue temporary storage tank
The fertile pelletize mechanism fertilizer of system is sent to use after carrying out keeping in；
The biogas that step 3, anaerobic reactor are produced send dry type low gas storage holder storage Jing after desulfurization pretreatment, used as source of the gas.
2. the technique of a kind of house refuse fast activating fertilizer according to claim 1, it is characterised in that：By as follows
What step was realized,
Broken pulp
Sorted pretreated house refuse by disintegrating machine, is crushed to below particle diameter 25mm first, and the material after crushing is defeated
Sorting after delivering to allotment sand removing tank dilution removes the impurity such as debris, and allotment desanding tank volume presses 7m3Design, the thing after allotment slagging-off
Material send separation pulp tank to be crushed to below particle diameter 8mm, the inorganic impurity being further separated out in material, the serosity after remove impurity pulp
Homogenizing regulating reservoir and sludge mixing preparation are sent, pulp tank is separated and is arranged two, be used alternatingly；
Homogenizing is adjusted
Sludge is diluted regulation in equal regulating reservoir to solid content 10%；Sludge after quenched is abundant with the rubbish Jing after remove impurity
Stir and heat in advance process after, be pumped to anaerobic fermentation reactor；Homogenizing regulating reservoir total residence time was designed by two days,
It is divided into two, single seat residence time of material 1 day, single seat dischargeable capacity about 500m3；
Anaerobic fermentation
After regulating reservoir pretreatment into anaerobic reactor thing mixture doses 520t/d, solid content 10%, organic matter accounts for dry
The 60% of base；
With 6 anaerobic fermentation reactors, total measurement (volume) 17700m3；Organic matter dosage be 31.4t/d, degradation rate 55%, produce daily biogas
Amount is about 13800m3；
Sediment outflow
The sand setting that anaerobic reactor is produced enters sand setting cache pool by the sediment outflow bank of tubes that bottom is arranged and keeps in, and mortar passes through sand-draining pump
Deliver to biogas residue and biogas liquid temporary storage tank；
Sand setting cache pool technological parameter is as follows
（1）Version：Armored concrete
（2）Specification：Φ5m×3m
（3）Quantity：1
（4）Volume：About 59m3
Biogas residue and biogas liquid is kept in
Material produces Digestive system about 502t daily Jing after anaerobism, send system fertile comminutor, Digestive system after biogas residue and biogas liquid buffer tank is temporary
Design time of staying 24h, biogas residue and biogas liquid tank adopt steel structural tank body；
Technological parameter is as follows
（1）Specification：Φ10.5m×7m
（2）Version：Steel structural tank body
（3）Quantity：1
（4）Volume：520 m3
Biogas pretreatment and storage
As the hydrogen sulfide content in biogas is 1500-3000ppm, using complex iron double-column in series desulfurization technology；Biogas point
The bottom of one-level packed absorber, two grades of packed absorbers not from tandem enters, with top-down doctor solution two
Counter current contacting in section packing area, hydrogen sulfide are desulfurized liquid and are absorbed, and the biogas after desulfurization is pre- by escape pipe supply Jing after demister
Processing meanss；
As requirement of the biogas burner to biogas admission pressure reaches 10～35kPa, desulfurizing tower pressure drop there are about 3kPa, filter
Device, spark arrester and line loss there are about 8～10kPa, so, it should biogas is pressurized using roots blower, to reach combustion
Requirement of the burner to gas pressure；2 roots blowers can be adopted, 1 is standby with 1；
Using dry type low pressure gas storage holder, technological parameter is as follows
（1）Size：Φ13.5m×13.8m
（2）Quantity：1
（3）Effective gas storage volume：1500 m3
（4）Work ambient temperature：- 40 DEG C～70 DEG C
（5）Operating pressure：≤5mbar.
3. the technique of a kind of house refuse fast activating fertilizer according to claim 2, it is characterised in that：Described
Doctor solution is the alkali liquor containing complexation iron catalyst.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410682938.6A CN104402541B (en) | 2014-11-25 | 2014-11-25 | A kind of technique of house refuse fast activating fertilizer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410682938.6A CN104402541B (en) | 2014-11-25 | 2014-11-25 | A kind of technique of house refuse fast activating fertilizer |
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| CN104402541A CN104402541A (en) | 2015-03-11 |
| CN104402541B true CN104402541B (en) | 2017-04-05 |
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| CN201410682938.6A Expired - Fee Related CN104402541B (en) | 2014-11-25 | 2014-11-25 | A kind of technique of house refuse fast activating fertilizer |
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| CN105288694B (en) * | 2015-11-09 | 2018-05-11 | 中华人民共和国舟山出入境检验检疫局 | A kind of method for handling frontier port immigration ship domestic refuse |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1116971A (en) * | 1995-06-13 | 1996-02-21 | 绵阳城市垃圾无害化综合处理厂 | Municipal refuse treatment method and equipment |
| CN102784795A (en) * | 2012-08-30 | 2012-11-21 | 北京世纪国瑞环境工程技术有限公司 | Kitchen waste resourceful utilization method |
| CN103272829A (en) * | 2013-06-03 | 2013-09-04 | 邓锦新 | Urban living garbage treatment method |
-
2014
- 2014-11-25 CN CN201410682938.6A patent/CN104402541B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1116971A (en) * | 1995-06-13 | 1996-02-21 | 绵阳城市垃圾无害化综合处理厂 | Municipal refuse treatment method and equipment |
| CN102784795A (en) * | 2012-08-30 | 2012-11-21 | 北京世纪国瑞环境工程技术有限公司 | Kitchen waste resourceful utilization method |
| CN103272829A (en) * | 2013-06-03 | 2013-09-04 | 邓锦新 | Urban living garbage treatment method |
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Effective date of registration: 20170303 Address after: 463000 Henan City, Zhumadian Province, No. 258 Leshan Road, building No. 1, No. 6 Applicant after: Yang Changhuang Address before: 452370 Xinmi City, Zhengzhou province to the town of Ma Gou Village Applicant before: XINMI HUANXIN DOMESTIC WASTE TREATMENT CO., LTD. |
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